Hybrid Decode-Forward Amplify-Forward Relaying with Non-Orthogonal Multiple Access

Yang Liu*, Gaofeng Pan, Hongtao Zhang, Mei Song

*此作品的通讯作者

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摘要

Cooperative communication has used to be a hot topic and it has been studied extensively in the past 10 years, but in recent years, it becomes less likely to find substantial innovation in this field as before. In this paper, we propose a new hybrid decode-forward and amplify-forward with non-orthogonal multiple access (NOMA) (HDAF-NOMA) transmission scheme for a cellular system with multiple relays. To the best of our knowledge, this is the first work that attempts to integrate decode-forward (DF), amplify-forward, and NOMA into one strategy design to improve system performance. To verify the performance advantages, the proposed HDAF-NOMA scheme is compared with the other four traditional schemes in terms of channel capacity and average system throughput, and the optimal number of selected DF relays is also determined for the HDAF-NOMA scheme. Simulation results show that compared with the traditional schemes, the proposed HDAF-NOMA scheme can achieve larger sum channel capacity for the transmission of x1 and x2, and it can also achieve larger average system throughput at high SNR region.

源语言英语
页(从-至)4912-4921
页数10
期刊IEEE Access
4
DOI
出版状态已出版 - 2016
已对外发布

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Liu, Y., Pan, G., Zhang, H., & Song, M. (2016). Hybrid Decode-Forward Amplify-Forward Relaying with Non-Orthogonal Multiple Access. IEEE Access, 4, 4912-4921. https://doi.org/10.1109/ACCESS.2016.2604341